Automobile tail door automatic opening and closing mechanism

The utility model discloses an automatic opening and closing mechanism of an automobile tail door, which comprises a controller used for receiving a control instruction and judging whether the control instruction is an opening instruction or a closing instruction; the tail door lock is connected with the controller and is used for entering an unlocking state when receiving the opening instruction; the driving mechanism is connected with the controller and comprises a motor, a motor driving mechanism and a controller driving mechanism, the reduction gearbox is connected with the output end of the motor; the two sides of the reduction gearbox are each provided with a driving shaft, and the reduction gearbox drives the two driving shafts at the same time. The driven shafts are connected with the driving shafts respectively, and the driving shafts drive the driven shafts to swing upwards; the bent arm support is connected with each driven shaft, the bent arm supports are connected with the bent pipe of the tail d